WEBVTT 00:00:00.000 --> 00:00:03.859 Welcome in, everyone. I am so incredibly thrilled 00:00:03.859 --> 00:00:06.280 that you decided to join us for today's deep 00:00:06.280 --> 00:00:08.339 dive. Oh, it's going to be a fun one today. It 00:00:08.339 --> 00:00:10.320 really is. We are taking you on a journey into 00:00:10.320 --> 00:00:15.259 a very strange, very specific, and frankly, completely 00:00:15.259 --> 00:00:17.980 mind -bending glitch in human perception. Yeah, 00:00:18.039 --> 00:00:19.640 glitch is definitely the right word for it. If 00:00:19.640 --> 00:00:22.019 you have ever trusted your own eyes or, you know, 00:00:22.039 --> 00:00:23.559 if you've ever felt completely certain about 00:00:23.559 --> 00:00:25.399 the physical space around you, you might want 00:00:25.399 --> 00:00:28.039 to buckle up. Seriously. today we are looking 00:00:28.039 --> 00:00:31.399 at a fascinating wikipedia article that documents 00:00:31.399 --> 00:00:34.659 a phenomenon known as lilliputian hallucinations 00:00:34.659 --> 00:00:37.899 which is just a wild concept it's so wild and 00:00:37.899 --> 00:00:39.799 our mission for this deep dive is to explore 00:00:39.799 --> 00:00:42.579 exactly what happens when the human brain starts 00:00:42.579 --> 00:00:45.359 perceiving tiny beings that simply aren't there 00:00:45.359 --> 00:00:48.479 tiny fully formed beings exactly we are going 00:00:48.479 --> 00:00:51.219 to unpack the science dive into the lingering 00:00:51.219 --> 00:00:54.020 mysteries surrounding it and ultimately try to 00:00:54.020 --> 00:00:56.920 understand what this bizarre phenomenon reveals 00:00:56.920 --> 00:01:00.320 about the absolute fragility of human perception. 00:01:00.500 --> 00:01:03.060 I think fragility is a key takeaway here. Our 00:01:03.060 --> 00:01:06.620 brains are... Okay, let's unpack this. What exactly 00:01:06.620 --> 00:01:09.219 are we talking about when we say Lilliputian 00:01:09.219 --> 00:01:11.340 hallucinations? Well, according to the medical 00:01:11.340 --> 00:01:13.260 and historical data compiled in the article, 00:01:13.420 --> 00:01:17.170 this is a highly specific... perceptual experience. 00:01:17.530 --> 00:01:20.909 It's defined as the hallucination of small humans, 00:01:21.209 --> 00:01:25.189 small animals, or even small fantasy entities. 00:01:25.489 --> 00:01:28.010 Like little gnomes or fairies? Yes, exactly. 00:01:28.209 --> 00:01:31.469 We are talking about miniature figures suddenly 00:01:31.469 --> 00:01:34.170 appearing right in a person's field of vision. 00:01:34.269 --> 00:01:36.629 Just tiny people hanging out in your visual field. 00:01:36.890 --> 00:01:38.650 What's fascinating here is that these visions 00:01:38.650 --> 00:01:41.510 are almost always perceived as being strictly 00:01:41.510 --> 00:01:43.590 grounded in the person's external environment. 00:01:44.239 --> 00:01:46.480 Grounded, meaning they aren't just like floating 00:01:46.480 --> 00:01:48.840 around. Right. When people think of hallucinations, 00:01:48.840 --> 00:01:51.120 they usually imagine something ethereal. You 00:01:51.120 --> 00:01:53.959 know, a ghostly shape floating in a void or some 00:01:53.959 --> 00:01:56.659 kind of transparent overlay on reality. Like 00:01:56.659 --> 00:01:58.379 a hologram that doesn't really fit the room. 00:01:58.640 --> 00:02:01.620 Exactly. But Lilliputian hallucinations do not 00:02:01.620 --> 00:02:03.780 behave like that. These tiny entities are perceived 00:02:03.780 --> 00:02:06.420 as interacting with the actual physical space 00:02:06.420 --> 00:02:09.379 around the person experiencing them. Wow. So 00:02:09.379 --> 00:02:12.500 if there is a table. The tiny figures are walking 00:02:12.500 --> 00:02:14.979 on the surface of that table. If there's a chair, 00:02:15.080 --> 00:02:17.759 they might be climbing its legs. Yes. They obey 00:02:17.759 --> 00:02:20.719 the spatial geometry of the real world you are 00:02:20.719 --> 00:02:23.460 sitting in right now. That is just incredible 00:02:23.460 --> 00:02:25.740 to think about. For you listening right now, 00:02:25.860 --> 00:02:28.439 imagine looking down at your desk or your coffee 00:02:28.439 --> 00:02:30.879 table or, I don't know, your kitchen counter. 00:02:31.039 --> 00:02:33.180 Right. You know the surface is solid. You know 00:02:33.180 --> 00:02:36.439 what's sitting on it. Now imagine an incredibly 00:02:36.439 --> 00:02:40.139 realistic... totally non -consensual augmented 00:02:40.139 --> 00:02:44.379 reality experience suddenly booting up right 00:02:44.379 --> 00:02:46.300 in front of you. That's a great way to put it. 00:02:46.340 --> 00:02:48.680 Non -consensual AR. It's like someone turned 00:02:48.680 --> 00:02:52.120 on a high -tech hologram projector, but the projector 00:02:52.120 --> 00:02:54.909 is entirely inside your own brain. And these 00:02:54.909 --> 00:02:57.069 miniature figures are just navigating your coffee 00:02:57.069 --> 00:02:59.750 table, maybe scaling your coffee mug like it's 00:02:59.750 --> 00:03:01.909 their own personal terrain. And to make that 00:03:01.909 --> 00:03:04.849 augmented reality analogy even more potent, the 00:03:04.849 --> 00:03:07.129 source material points out that while these experiences 00:03:07.129 --> 00:03:11.069 are usually visual in nature, they are also very 00:03:11.069 --> 00:03:14.370 often multimodal. Multimodal. OK, that word alone 00:03:14.370 --> 00:03:16.789 elevates the weirdness factor. Break that down 00:03:16.789 --> 00:03:18.969 for us. It means the phenomenon doesn't just 00:03:18.969 --> 00:03:21.729 hijack your sense of sight. It hits the other 00:03:21.729 --> 00:03:25.090 senses, too. Yes. A person experiencing this 00:03:25.090 --> 00:03:28.189 might actually hear the tiny beings. No way. 00:03:28.449 --> 00:03:30.189 Yeah, they might perceive the faint sound of 00:03:30.189 --> 00:03:33.009 tiny footsteps or miniature voices chattering 00:03:33.009 --> 00:03:35.870 away. That is wild. And in some cases, it actually 00:03:35.870 --> 00:03:38.270 crosses over into the tactile. People report 00:03:38.270 --> 00:03:40.939 feeling the entities. You aren't just seeing 00:03:40.939 --> 00:03:43.379 a tiny person on your desk. You might hear them 00:03:43.379 --> 00:03:45.439 walking across your paperwork. And if they stepped 00:03:45.439 --> 00:03:47.979 onto your hand, your brain might actually generate 00:03:47.979 --> 00:03:50.819 the physical sensation of tiny footsteps on your 00:03:50.819 --> 00:03:54.400 skin. Exactly. The brain is constructing a fully 00:03:54.400 --> 00:03:58.400 immersive, multisensory illusion. And it integrates 00:03:58.400 --> 00:04:00.960 flawlessly with the physical environment. A complete 00:04:00.960 --> 00:04:04.180 sensory hijack. Absolutely. So what does this 00:04:04.180 --> 00:04:06.719 all mean? How does a brain just decide to start 00:04:06.719 --> 00:04:10.560 rendering a tiny multisensory civilization in 00:04:10.560 --> 00:04:12.039 the middle of your living room? Right. What's 00:04:12.039 --> 00:04:13.680 the trigger? Yeah. What is actually triggering 00:04:13.680 --> 00:04:16.339 this? Well, the clinical literature cited in 00:04:16.339 --> 00:04:18.819 the article reveals that this isn't isolated 00:04:18.819 --> 00:04:22.459 to just one specific disease or even one specific 00:04:22.459 --> 00:04:24.639 type of brain injury. It's a bunch of different 00:04:24.639 --> 00:04:26.920 things. A chaotic variety of medical conditions. 00:04:27.139 --> 00:04:29.699 For instance, the source mentions it occurring 00:04:29.699 --> 00:04:32.480 in Alice in Wonderland syndrome. Which is such 00:04:32.480 --> 00:04:34.360 an appropriately named syndrome, by the way, 00:04:34.360 --> 00:04:36.339 for an experience that makes you feel like you're 00:04:36.339 --> 00:04:38.660 looking at things that are the wrong size. It 00:04:38.660 --> 00:04:41.079 really is. But what is actually happening in 00:04:41.079 --> 00:04:42.819 the brain with Alice in Wonderland syndrome? 00:04:43.279 --> 00:04:46.319 So it's a neurological condition that disrupts 00:04:46.319 --> 00:04:48.860 the brain's ability to process sensory input 00:04:48.860 --> 00:04:52.379 regarding size and distance. Okay. The person's 00:04:52.379 --> 00:04:55.339 eyes are functioning normally. There's nothing 00:04:55.339 --> 00:04:58.100 wrong with the eye itself. But the visual processing 00:04:58.100 --> 00:05:00.879 centers in the brain. distort the signals. So 00:05:00.879 --> 00:05:02.839 the data gets corrupted on the way to the processor. 00:05:03.120 --> 00:05:05.779 Exactly. Objects might appear incredibly small, 00:05:05.939 --> 00:05:08.300 which is called micropsia, or incredibly large, 00:05:08.319 --> 00:05:10.819 known as micropsia. I see. In the context of 00:05:10.819 --> 00:05:13.980 Lilliputian hallucinations, the brain might take 00:05:13.980 --> 00:05:17.480 a mundane sensory input and scale it down dramatically, 00:05:17.759 --> 00:05:20.459 interpreting it as a tiny, autonomous entity. 00:05:20.680 --> 00:05:23.180 That makes perfect sense, given the name. But 00:05:23.180 --> 00:05:25.300 what else is on the list? It is also seen in 00:05:25.300 --> 00:05:27.990 Charles Bonnick syndrome. Hold on, Charles Bonnet 00:05:27.990 --> 00:05:30.529 syndrome, what is that? It's a condition where 00:05:30.529 --> 00:05:33.209 people who are experiencing significant vision 00:05:33.209 --> 00:05:36.810 loss start having complex hallucinations. Vision 00:05:36.810 --> 00:05:39.490 loss, like going blind? Yes, imagine someone 00:05:39.490 --> 00:05:42.110 with macular degeneration or severe cataracts 00:05:42.110 --> 00:05:44.550 because their eyes are no longer sending a full 00:05:44.550 --> 00:05:47.470 clear picture to the visual cortex. The brain 00:05:47.470 --> 00:05:50.439 gets starved for input? Exactly. The brain gets 00:05:50.439 --> 00:05:52.339 starved. And the brain doesn't like being bored 00:05:52.339 --> 00:05:54.779 or starved for information. It certainly doesn't. 00:05:54.779 --> 00:05:56.620 The brain is essentially a prediction machine. 00:05:56.819 --> 00:05:59.680 So to compensate for that lack of real visual 00:05:59.680 --> 00:06:02.519 data, the visual cortex just starts making things 00:06:02.519 --> 00:06:04.660 up to fill the gaps. Just generating its own 00:06:04.660 --> 00:06:07.279 content. It fires spontaneously, generating incredibly 00:06:07.279 --> 00:06:10.240 vivid images. Sometimes it's just geometric patterns, 00:06:10.379 --> 00:06:13.339 but often it manifests as fully formed miniature 00:06:13.339 --> 00:06:15.360 people or animals interacting with the room. 00:06:15.540 --> 00:06:19.160 Do they know it's not real? Usually, yes. The 00:06:19.160 --> 00:06:21.240 person knows these things aren't real, but the 00:06:21.240 --> 00:06:24.399 images are as clear as day. It is wild to think 00:06:24.399 --> 00:06:26.560 that our brains are so desperate to process a 00:06:26.560 --> 00:06:29.980 visual reality that if the eyes fail, the brain 00:06:29.980 --> 00:06:32.180 just takes over as an internal movie director. 00:06:32.459 --> 00:06:34.560 It's a survival mechanism gone a bit haywire. 00:06:34.970 --> 00:06:37.649 What other conditions trigger this? The literature 00:06:37.649 --> 00:06:40.730 also documents cases in peduncular hallucinosis. 00:06:41.009 --> 00:06:42.329 Okay, you are going to have to translate that 00:06:42.329 --> 00:06:44.709 one for me too. Peduncular hallucinosis sounds 00:06:44.709 --> 00:06:47.529 incredibly complex. It is a bit of a mouthful. 00:06:47.730 --> 00:06:51.110 It refers to a rare neurological disorder typically 00:06:51.110 --> 00:06:54.029 caused by a lesion or damage in a very specific 00:06:54.029 --> 00:06:56.629 part of the brainstem. The brainstem. Right, 00:06:56.689 --> 00:06:59.149 specifically the cerebral peduncle or in the 00:06:59.149 --> 00:07:00.949 midbrain. What does the midbrain normally do? 00:07:01.360 --> 00:07:04.180 It's heavily involved in regulating our sleep 00:07:04.180 --> 00:07:06.660 -wake cycles and filtering sensory information. 00:07:07.019 --> 00:07:10.579 Ah, so the filter breaks. Precisely. When there 00:07:10.579 --> 00:07:12.959 is damage there, maybe from a stroke or a tumor, 00:07:13.120 --> 00:07:15.920 the filtering system breaks down. Dream -like 00:07:15.920 --> 00:07:18.379 imagery starts bleeding over into waking consciousness. 00:07:18.800 --> 00:07:21.420 Like you're dreaming while awake. Yeah. And for 00:07:21.420 --> 00:07:24.360 some reason, this specific brainstem damage frequently 00:07:24.360 --> 00:07:26.800 results in the hallucination of brightly colored 00:07:26.800 --> 00:07:30.100 tiny figures. That is just wow. So we have three 00:07:30.100 --> 00:07:32.540 completely different neurological pathways so 00:07:32.540 --> 00:07:36.079 far. Yes. A distortion of size perception, a 00:07:36.079 --> 00:07:38.959 brain trying to fill in blind spots, and dream 00:07:38.959 --> 00:07:41.839 imagery leaking into reality due to a damaged 00:07:41.839 --> 00:07:45.180 brainstem. And we aren't even done. Beyond those 00:07:45.180 --> 00:07:47.920 structural or sensory syndromes, it is also documented 00:07:47.920 --> 00:07:50.199 in psychiatric cases, particularly schizophrenia. 00:07:50.720 --> 00:07:52.579 Interesting. Is it the same kind of experience? 00:07:53.449 --> 00:07:56.310 Not exactly. In those instances, the tiny figures 00:07:56.310 --> 00:07:58.430 often take on a more persecutory or frightening 00:07:58.430 --> 00:08:01.550 tone, compared to Charles Bonnet syndrome, where 00:08:01.550 --> 00:08:03.889 they are typically just neutral or even amusing 00:08:03.889 --> 00:08:06.389 to the patient. Right. And leaning into a completely 00:08:06.389 --> 00:08:08.610 different category of medical triggers, it can 00:08:08.610 --> 00:08:10.829 also be brought on by severe alcohol withdrawal. 00:08:11.560 --> 00:08:14.120 Specifically during delirium tremens. Delirium 00:08:14.120 --> 00:08:16.439 tremens is the severe phase of withdrawal, right? 00:08:16.540 --> 00:08:18.779 When the nervous system just goes into overdrive 00:08:18.779 --> 00:08:21.000 because the depressant effect of alcohol is suddenly 00:08:21.000 --> 00:08:24.660 removed. That is the exact mechanism. The brain's 00:08:24.660 --> 00:08:27.779 chemistry is wildly out of balance, leading to 00:08:27.779 --> 00:08:29.959 hyper excitability in the nervous system. Just 00:08:29.959 --> 00:08:32.399 firing on all cylinders. Yes, and this chemical 00:08:32.399 --> 00:08:36.200 chaos. can trigger profound hallucinations, including 00:08:36.200 --> 00:08:38.580 the Lilliputian variety. It's like there are 00:08:38.580 --> 00:08:40.580 all these completely different doors in the brain, 00:08:40.759 --> 00:08:43.460 you know, damage to the optic nerve, a lesion 00:08:43.460 --> 00:08:45.940 in the midbrain, chemical imbalances from withdrawal. 00:08:46.159 --> 00:08:49.169 Right. But somehow they all open up into the 00:08:49.169 --> 00:08:52.610 exact same room of tiny hallucinated people. 00:08:52.870 --> 00:08:55.309 It's a very specific convergence, isn't it? It 00:08:55.309 --> 00:08:57.250 really is. But I understand there are pharmaceutical 00:08:57.250 --> 00:09:00.230 and chemical triggers too, correct? Yes. It is 00:09:00.230 --> 00:09:03.190 not just neurological or psychiatric. It can 00:09:03.190 --> 00:09:05.409 actually be triggered by a specific pharmaceutical 00:09:05.409 --> 00:09:09.309 drug called amantadine. What is that used for? 00:09:09.490 --> 00:09:11.870 It's typically used to treat Parkinson's disease 00:09:11.870 --> 00:09:15.340 or certain viral infections. Okay. And even more 00:09:15.340 --> 00:09:18.340 surprisingly, it can be induced by severe industrial 00:09:18.340 --> 00:09:21.519 poisoning. Poisoning. Specifically, trichloroethylene 00:09:21.519 --> 00:09:24.460 poisoning. Wait, so exposure to a toxic industrial 00:09:24.460 --> 00:09:27.059 chemical can cause your brain to specifically 00:09:27.059 --> 00:09:31.440 hallucinate tiny people. Trichloroethylene is 00:09:31.440 --> 00:09:34.320 a solvent, isn't it? Yes. Used in degreasers 00:09:34.320 --> 00:09:36.980 and dry cleaning. Exactly. It is a volatile organic 00:09:36.980 --> 00:09:39.980 compound. Industrial exposure, or accidental 00:09:39.980 --> 00:09:42.559 poisoning, affects the central nervous system 00:09:42.559 --> 00:09:45.899 dramatically. The liver metabolizes it into highly 00:09:45.899 --> 00:09:48.379 toxic compounds that cross the blood -brain barrier. 00:09:48.620 --> 00:09:51.799 And the brain's response to that toxicity is 00:09:51.799 --> 00:09:54.200 to suddenly populate the visual field with miniature 00:09:54.200 --> 00:09:56.940 fantasy entities. Well, while the most common 00:09:56.940 --> 00:10:00.590 symptoms are dizziness or confusion, Severe acute 00:10:00.590 --> 00:10:02.850 toxicity disrupts the neurotransmitter pathways 00:10:02.850 --> 00:10:05.870 so fundamentally that the visual cortex just 00:10:05.870 --> 00:10:08.610 loses its grip on external reality. That is terrifying. 00:10:08.909 --> 00:10:11.110 It is. And that brings us to the more anticipated 00:10:11.110 --> 00:10:13.789 chemical triggers, the classical serotonergic 00:10:13.789 --> 00:10:16.629 psychedelics. Okay, let's pause on the word serotonergic. 00:10:16.690 --> 00:10:18.250 For the listener, what does that mean in the 00:10:18.250 --> 00:10:21.090 context of psychedelics? Serotonergic means these 00:10:21.090 --> 00:10:23.710 substances primarily act on the serotonin receptors 00:10:23.710 --> 00:10:26.870 in the brain. Okay. Specifically, the 5 -HT2A 00:10:26.870 --> 00:10:30.549 receptor. 5 -HT2A. This receptor is heavily involved 00:10:30.549 --> 00:10:34.090 in visual processing and cognition. When we look 00:10:34.090 --> 00:10:36.649 at classical psychedelics like mescaline, which 00:10:36.649 --> 00:10:39.909 is derived from the peyote cactus, or dimethyltryptamine 00:10:39.909 --> 00:10:43.809 commonly known as DMT, they bind to these receptors 00:10:43.809 --> 00:10:47.149 and profoundly alter how the brain constructs 00:10:47.149 --> 00:10:49.779 reality. And they cause these specific hallucinations. 00:10:49.799 --> 00:10:52.480 Yes. Both of these compounds are known to reliably 00:10:52.480 --> 00:10:55.899 induce this specific type of miniature hallucination. 00:10:56.000 --> 00:10:58.000 When you synthesize all of that, it paints a 00:10:58.000 --> 00:11:00.980 very clear, very humbling picture for us. It 00:11:00.980 --> 00:11:02.860 really does. You have a brain that might start 00:11:02.860 --> 00:11:05.600 rendering tiny, realistic entities because of 00:11:05.600 --> 00:11:08.679 a brainstem lesion, vision loss, a psychiatric 00:11:08.679 --> 00:11:12.100 condition, alcohol withdrawal, a Parkinson's 00:11:12.100 --> 00:11:15.120 medication, industrial solvent poisoning, or 00:11:15.120 --> 00:11:17.820 a psychedelic compound. These diverse causes 00:11:17.820 --> 00:11:21.059 highlight just how exquisitely delicate our sensory 00:11:21.059 --> 00:11:23.940 processing systems truly are. Your perception 00:11:23.940 --> 00:11:26.200 of reality is an incredibly fragile balancing 00:11:26.200 --> 00:11:29.039 act. A balancing act. It doesn't take much. A 00:11:29.039 --> 00:11:31.519 shift in neurotransmitters, a toxic compound, 00:11:31.840 --> 00:11:34.539 a structural lesion, and suddenly the brain's 00:11:34.539 --> 00:11:37.159 rendering engine starts introducing fully interactive 00:11:37.159 --> 00:11:40.100 miniature anomalies into your environment. Here's 00:11:40.100 --> 00:11:42.519 where it gets really interesting. Because we 00:11:42.519 --> 00:11:44.419 have talked about the medical syndromes, the 00:11:44.419 --> 00:11:46.940 pharmaceuticals, the poisons, and the classical 00:11:46.940 --> 00:11:50.639 psychedelics. Right. But the absolute strangest 00:11:50.639 --> 00:11:52.929 trigger for Lilliputian hallucinations Hallucinations, 00:11:52.929 --> 00:11:55.269 according to the sources, come straight out of 00:11:55.269 --> 00:11:57.149 the forest. We have to talk about the mushrooms. 00:11:57.409 --> 00:12:00.590 Yes. The mycological aspect of this phenomenon 00:12:00.590 --> 00:12:03.490 is perhaps the most captivating piece of the 00:12:03.490 --> 00:12:06.149 puzzle. The article details the existence of 00:12:06.149 --> 00:12:09.110 hallucinogenic belete mushrooms. Specifically, 00:12:09.389 --> 00:12:12.210 there is one called Landmawa asiatica. That's 00:12:12.210 --> 00:12:14.590 the one. And the common name for these in the 00:12:14.590 --> 00:12:18.370 Yunnan region of China translates to Zhao Ren. 00:12:19.080 --> 00:12:21.779 Wren mushrooms. Which translates quite literally 00:12:21.779 --> 00:12:23.980 to little people mushrooms. They are named after 00:12:23.980 --> 00:12:26.460 the exact hyperspecific hallucination they cause. 00:12:26.620 --> 00:12:30.269 Little people mushrooms. The detail here is just 00:12:30.269 --> 00:12:33.889 incredible. There is a reference to a BBC report 00:12:33.889 --> 00:12:37.629 in the text that gives this deeply vivid, almost 00:12:37.629 --> 00:12:40.429 unsettling quote about people who have consumed 00:12:40.429 --> 00:12:42.190 them. Oh, I know the quote you're talking about. 00:12:42.309 --> 00:12:44.490 The quote says that people actually saw them 00:12:44.490 --> 00:12:47.210 on their dishes when eating. That is a striking 00:12:47.210 --> 00:12:50.809 detail. The hallucinations integrate so seamlessly. 00:12:51.389 --> 00:12:54.710 into mundane daily activities. Can you imagine? 00:12:54.889 --> 00:12:57.350 You're sitting down for a normal meal and suddenly 00:12:57.350 --> 00:12:59.269 your brain tells you there are dozens of tiny 00:12:59.269 --> 00:13:01.429 humans actively running around on your dinner 00:13:01.429 --> 00:13:03.590 plate. Just navigating around your food. Yes, 00:13:03.669 --> 00:13:06.389 and remember, they are grounded in reality. They 00:13:06.389 --> 00:13:08.710 aren't floating. No. They are interacting with 00:13:08.710 --> 00:13:11.330 the ceramic of the plate, maybe hiding behind 00:13:11.330 --> 00:13:14.100 a piece of broccoli. What makes this mycological 00:13:14.100 --> 00:13:16.539 connection so significant isn't just an isolated 00:13:16.539 --> 00:13:18.960 anecdote from one region, though. Right. It happens 00:13:18.960 --> 00:13:21.759 elsewhere, too. We have historical accounts from 00:13:21.759 --> 00:13:24.059 anthropologists studying completely different 00:13:24.059 --> 00:13:27.919 parts of the world. We have the Shaorenren mushrooms 00:13:27.919 --> 00:13:30.639 in China. But there are also extensive historical 00:13:30.639 --> 00:13:33.519 reports emerging from Papua New Guinea. The phenomenon 00:13:33.519 --> 00:13:36.740 referred to as the mushroom madness of New Guinea. 00:13:37.120 --> 00:13:40.279 Yes. In both of these distant, distinct locations, 00:13:40.720 --> 00:13:44.019 local inhabitants have described consuming specific 00:13:44.019 --> 00:13:47.879 types of Bolete mushrooms and subsequently experiencing 00:13:47.879 --> 00:13:50.960 the sensation of being surrounded by an abundance 00:13:50.960 --> 00:13:53.879 of colorful, diminutive creatures. The exact 00:13:53.879 --> 00:13:56.620 same hallucination. It's the exact same clinical 00:13:56.620 --> 00:13:59.220 profile of Lilliputian hallucinations occurring 00:13:59.220 --> 00:14:02.179 across entirely different cultures, separated 00:14:02.179 --> 00:14:05.799 by geography, but all tied to this specific family 00:14:05.799 --> 00:14:08.389 of fungi. That is incredible. Furthermore, the 00:14:08.389 --> 00:14:10.610 text mentions that these hallucinations can sometimes 00:14:10.610 --> 00:14:14.110 be induced by Amanita muscaria. That's the iconic 00:14:14.110 --> 00:14:16.350 red and white spotted mushroom, right? Like in 00:14:16.350 --> 00:14:18.850 Mario. Exactly. Though the Belites are much more 00:14:18.850 --> 00:14:20.889 strongly associated with the little people effect. 00:14:21.049 --> 00:14:22.850 So you have these different cultural histories 00:14:22.850 --> 00:14:25.649 describing the exact same bizarre neurological 00:14:25.649 --> 00:14:28.809 software glitch after eating these wild mushrooms. 00:14:29.009 --> 00:14:31.279 Right. It feels like scientists should have cracked 00:14:31.279 --> 00:14:33.600 this wide open by now. They should have this 00:14:33.600 --> 00:14:35.860 in a lab, isolated the molecule, and figured 00:14:35.860 --> 00:14:38.639 out exactly how it hacks the visual cortex. You 00:14:38.639 --> 00:14:41.279 would certainly assume that. But the source material, 00:14:41.559 --> 00:14:44.139 specifically referencing research from the McKenna 00:14:44.139 --> 00:14:46.779 Academy of Natural Philosophy, points out the 00:14:46.779 --> 00:14:49.960 lingering scientific puzzle here. A puzzle? Despite 00:14:49.960 --> 00:14:53.250 the fact that there are over half a century ethnographic 00:14:53.250 --> 00:14:57.210 reports documenting this 50 years over 50 years 00:14:57.210 --> 00:15:00.470 of field researchers talking about the little 00:15:00.470 --> 00:15:03.970 people mushrooms the exact taxonomic identity 00:15:03.970 --> 00:15:06.590 and the active chemical constituents of these 00:15:06.590 --> 00:15:09.750 psychoactive beliefs remain a complete mycological 00:15:09.750 --> 00:15:13.429 mystery wait so science literally doesn't know 00:15:13.429 --> 00:15:15.649 how these mushrooms are doing this no how is 00:15:15.649 --> 00:15:18.029 that possible after 50 years well to this date 00:15:18.460 --> 00:15:21.039 No rigorous scientific studies have been performed 00:15:21.039 --> 00:15:23.659 that conclusively reveal the active chemicals 00:15:23.659 --> 00:15:26.580 in this unstudied group. Why not? There are a 00:15:26.580 --> 00:15:29.639 few major reasons for this. First, bolete mushrooms 00:15:29.639 --> 00:15:32.080 are notoriously difficult to cultivate in a laboratory 00:15:32.080 --> 00:15:34.720 setting. Ah, they don't like petri dishes. Not 00:15:34.720 --> 00:15:36.899 at all. They often require complex, symbiotic 00:15:36.899 --> 00:15:39.059 relationships with the roots of specific living 00:15:39.059 --> 00:15:41.720 trees to grow. Oh, wow. Making them nearly impossible 00:15:41.720 --> 00:15:44.000 to study under controlled indoor conditions. 00:15:44.179 --> 00:15:47.470 I see. Second, the active compounds might be 00:15:47.470 --> 00:15:50.529 highly unstable, degrading quickly once the mushroom 00:15:50.529 --> 00:15:52.490 is harvested. So you can't just grow them in 00:15:52.490 --> 00:15:54.769 a lab and by the time you get them from a forest 00:15:54.769 --> 00:15:58.049 in Yunnan or Papua New Guinea to a mass spectrometer. 00:15:58.799 --> 00:16:01.120 the chemical magic might have just vanished. 00:16:01.220 --> 00:16:04.120 That is the prevailing theory. We know they cause 00:16:04.120 --> 00:16:07.440 these highly specific, reality -grounded, miniature 00:16:07.440 --> 00:16:10.779 hallucinations. But the precise chemical mechanism, 00:16:11.019 --> 00:16:14.000 the actual molecule responsible for unlocking 00:16:14.000 --> 00:16:17.320 that specific perceptual glitch, is still unknown 00:16:17.320 --> 00:16:20.580 to modern science. That is wild. It simply hasn't 00:16:20.580 --> 00:16:22.480 received the funding or the focused attention 00:16:22.480 --> 00:16:25.000 that classical psychedelics like psilocybin have. 00:16:25.370 --> 00:16:27.570 That is mind -blowing. In an era where we can 00:16:27.570 --> 00:16:30.509 map the human genome and send rovers to Mars, 00:16:30.629 --> 00:16:32.970 there is a wild mushroom out there that reliably 00:16:32.970 --> 00:16:35.330 makes you see tiny people running around on your 00:16:35.330 --> 00:16:38.250 dinner plate. And science is basically just shrugging 00:16:38.250 --> 00:16:40.149 and saying, we don't know the exact chemistry 00:16:40.149 --> 00:16:43.009 yet. It is a profound testament to how much we 00:16:43.009 --> 00:16:45.029 still have to learn about both the natural world 00:16:45.029 --> 00:16:48.250 and our own neurochemistry. The mystery is still 00:16:48.250 --> 00:16:52.250 actively waiting to be solved. Wow. So let's 00:16:52.250 --> 00:16:53.889 take a step back and look at the journey we have 00:16:53.889 --> 00:16:57.639 been on today. We started by exploring this incredibly 00:16:57.639 --> 00:17:01.700 specific glitch in human perception, the Lilliputian 00:17:01.700 --> 00:17:04.039 hallucination. Which is so much more than just 00:17:04.039 --> 00:17:06.920 a visual trick. Exactly. We learned that it's 00:17:06.920 --> 00:17:09.359 a multimodal, incredibly grounded experience 00:17:09.359 --> 00:17:12.400 where miniature entities interact with your real 00:17:12.400 --> 00:17:14.539 physical space. Your coffee table, your desk, 00:17:14.720 --> 00:17:16.950 your dinner plate. We looked at the dizzying 00:17:16.950 --> 00:17:19.390 array of triggers. Instead of just rattling them 00:17:19.390 --> 00:17:21.990 off, we actually unpacked them. We learned how 00:17:21.990 --> 00:17:24.369 conditions like Charles Bonnet syndrome cause 00:17:24.369 --> 00:17:27.009 the brain to hallucinate to fill in blind spots. 00:17:27.170 --> 00:17:29.509 Right. And how peduncular hallucinosis involves 00:17:29.509 --> 00:17:32.630 a damaged brainstem leaking dream imagery into 00:17:32.630 --> 00:17:35.309 waking life. We covered the chaos of alcohol 00:17:35.309 --> 00:17:38.150 withdrawal, the strange side effects of Parkinson's 00:17:38.150 --> 00:17:40.630 medication, and the terrifying reality of industrial 00:17:40.630 --> 00:17:43.529 solvent poisoning. A truly massive spectrum of 00:17:43.529 --> 00:17:45.960 causes. And then, of course, we waded into the 00:17:45.960 --> 00:17:49.140 deep, mysterious waters of the Shaoren red mushrooms 00:17:49.140 --> 00:17:52.319 in China and the mushroom madness of Papua New 00:17:52.319 --> 00:17:55.279 Guinea. A puzzle that, after half a century, 00:17:55.420 --> 00:17:57.640 still defies rigorous scientific explanation 00:17:57.640 --> 00:18:00.200 because the mushrooms themselves are so evasive. 00:18:00.299 --> 00:18:03.240 If we connect this to the bigger picture, it 00:18:03.240 --> 00:18:06.359 forces us to confront a reality that is deeply 00:18:06.359 --> 00:18:09.779 counterintuitive. How so? We walk around every 00:18:09.779 --> 00:18:11.819 day feeling like we are looking through a clear 00:18:11.819 --> 00:18:14.430 window at the objective world. But everything 00:18:14.430 --> 00:18:16.509 you see, everything you hear, everything you 00:18:16.509 --> 00:18:19.789 feel is being constructed and actively rendered 00:18:19.789 --> 00:18:22.410 by your brain in real time. Like an internal 00:18:22.410 --> 00:18:24.809 supercomputer. Exactly. And as we've learned 00:18:24.809 --> 00:18:27.190 today, the delicate machinery doing that rendering 00:18:27.190 --> 00:18:30.289 is astonishingly vulnerable. Tiny chemical shifts, 00:18:30.450 --> 00:18:32.630 a specific medical condition, or an unstudied 00:18:32.630 --> 00:18:35.130 wild mushroom could suddenly populate your living 00:18:35.130 --> 00:18:37.769 room with miniature creatures that look and sound 00:18:37.769 --> 00:18:39.509 as real as the furniture they are standing on. 00:18:39.569 --> 00:18:42.250 That is a lot to process. This raises an important 00:18:42.250 --> 00:18:45.490 question, though. How much absolute trust do 00:18:45.490 --> 00:18:49.150 we place in our daily sensory inputs? We assume 00:18:49.150 --> 00:18:51.529 our perception is a flawless recording device. 00:18:51.829 --> 00:18:54.690 But the existence of Lilliputian hallucinations 00:18:54.690 --> 00:18:57.910 proves that our sensory processing system is 00:18:57.910 --> 00:19:00.869 more like a highly suggestible storyteller. A 00:19:00.869 --> 00:19:03.269 suggestible storyteller. And the chemistry changes? 00:19:03.819 --> 00:19:07.140 The story changes. I love that. A highly suggestible 00:19:07.140 --> 00:19:09.339 storyteller. And that brings me to a final thought 00:19:09.339 --> 00:19:11.619 I want to leave you with today. Something for 00:19:11.619 --> 00:19:13.579 you to mull over the next time you are sitting 00:19:13.579 --> 00:19:17.029 alone in a quiet room. Let's hear it. We established 00:19:17.029 --> 00:19:19.829 that the defining characteristic of Lilliputian 00:19:19.829 --> 00:19:22.730 hallucinations is that they are incredibly convincing. 00:19:22.910 --> 00:19:25.829 They don't look like ethereal ghosts. Right. 00:19:25.930 --> 00:19:27.930 They interact seamlessly with the real physical 00:19:27.930 --> 00:19:30.609 environment. They cast shadows on the table. 00:19:30.630 --> 00:19:32.549 They navigate around the food on your plate. 00:19:32.690 --> 00:19:35.130 They perfectly obey the physical rules of the 00:19:35.130 --> 00:19:37.819 space you're in. They fit right in. So if the 00:19:37.819 --> 00:19:40.819 brain is entirely capable of generating an illusion 00:19:40.819 --> 00:19:43.640 that flawlessly matches the physical environment, 00:19:44.000 --> 00:19:47.500 what if our brains are projecting other completely 00:19:47.500 --> 00:19:50.299 mundane hallucinations into our environment every 00:19:50.299 --> 00:19:52.539 single day? Oh, that's a creepy thought. What 00:19:52.539 --> 00:19:54.660 if there's a book on your shelf or a shadow in 00:19:54.660 --> 00:19:56.700 the corner or a coffee cup on a distant table 00:19:56.700 --> 00:19:58.900 that isn't actually there? And we simply never 00:19:58.900 --> 00:20:01.539 notice. Because it blends in perfectly with reality. 00:20:02.039 --> 00:20:04.519 Until next time, keep questioning what you see. 00:20:04.839 --> 00:20:06.539 Thanks for taking this deep dive with us.